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CVE-2026-59509— Unauthenticated arbitrary MongoDB collection read in cve-search

Quick assessment

Affected
cve-search cve-search
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

cve-search cve-search是cve-search组织的一款漏洞搜索引擎工具。 cve-search v4.0版本至v6.0.0版本存在输入验证错误漏洞，该漏洞源于对POST /fetch_cve_data端点的输入验证不当，可能导致远程攻击者操纵请求参数控制MongoDB集合、投影字段和正则表达式过滤器，读取任意application MongoDB集合，从而暴露管理员用户名和密码哈希，实现离线密码破解和管理员账户接管。

AI Predicted 9.8 Difficulty: Easy EPSS 1.43% · P72

Public Exploits 1

Nuclei · 1 CVE-2026-59509.yaml [template]

Affected Version Matrix 1

VendorProduct Version RangeStatus
cve-search cve-search v4.0≤ v6.0.0 affected
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I. Basic Information for CVE-2026-59509

Vulnerability Information
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Vulnerability Title
Unauthenticated arbitrary MongoDB collection read in cve-search
Source: CVE Program / CVE List V5
Vulnerability Description
An unauthenticated improper input validation vulnerability in the POST /fetch_cve_data endpoint in cve-search. A remote attacker can manipulate request parameters controlling the MongoDB collection, projected fields, and regular-expression filters to read arbitrary application MongoDB collections. This can expose administrative usernames and password hashes from the mgmt_users collection, enabling offline password cracking and potential administrative account compromise.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
cve-search 输入验证错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
cve-search cve-search是cve-search组织的一款漏洞搜索引擎工具。 cve-search v4.0版本至v6.0.0版本存在输入验证错误漏洞，该漏洞源于对POST /fetch_cve_data端点的输入验证不当，可能导致远程攻击者操纵请求参数控制MongoDB集合、投影字段和正则表达式过滤器，读取任意application MongoDB集合，从而暴露管理员用户名和密码哈希，实现离线密码破解和管理员账户接管。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
cve-search cve-search v4.0 ~ v6.0.0 -

II. Public POCs for CVE-2026-59509

# POC Description Source Link Shenlong Link
1 cve-search versions 4.0 through 6.0.0 expose an unauthenticated DataTables endpoint that accepts attacker-controlled MongoDB collection, projection, filtering, and pagination parameters. This detector uses a harmless invalid projection field against the intended cves collection; version 6.0.1 rejects that field. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-59509.yaml POC Details
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III. Intelligence Information for CVE-2026-59509

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Patches & Fixes for CVE-2026-59509 (1)

Proof of Concept for CVE-2026-59509 (1)

IV. Related Vulnerabilities

Same weakness: CWE-20

V. Comments for CVE-2026-59509

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